| Value | Category | Cases | |
|---|---|---|---|
| 0 | 7 |
3.9%
|
|
| 1 | 8 |
4.4%
|
|
| 2 | 37 |
20.6%
|
|
| 3 | 44 |
24.4%
|
|
| 4 | 52 |
28.9%
|
|
| 5 | 29 |
16.1%
|
|
| 6 | 3 |
1.7%
|
|
| Sysmiss | 130 |